diff --git a/.github/check_examples.py b/.github/check_examples.py
index b40c224..d255551 100644
--- a/.github/check_examples.py
+++ b/.github/check_examples.py
@@ -13,6 +13,17 @@ for package in glob.glob("**/package.json",recursive=True):
 		name = j["name"]
 		version = j["version"]
 
+	for dependent in glob.glob("**/package.json",recursive=True):
+		if "node_modules" in dependent:
+			continue
+		with open(dependent,"r") as f:
+			j2 = json.loads(f.read())
+			if 'dependencies' in j2 and name in j2["dependencies"]:
+				dependent_version = j2["dependencies"]["pmtiles"]
+				if dependent_version != "^" + version:
+					print(dependent,"should be ^",version,"was",dependent_version)
+					fail = 1
+
 	for html in glob.glob("**/*.html",recursive=True):
 		if "node_modules" in html:
 			continue
diff --git a/js/README.md b/js/README.md
index 26e88e6..0f6e666 100644
--- a/js/README.md
+++ b/js/README.md
@@ -37,7 +37,7 @@ See [protomaps-leaflet](https://github.com/protomaps/protomaps-leaflet)
 Example of a PMTiles archive displayed in MapLibre GL JS:
 
 ```js
- import { Protocol } from "pmtiles";
+import { Protocol } from "pmtiles";
 let protocol = new Protocol();
 maplibregl.addProtocol("pmtiles",protocol.tile);
 var style = {
diff --git a/openlayers/examples/raster.html b/openlayers/examples/raster.html
index 6a02b4b..16782bc 100644
--- a/openlayers/examples/raster.html
+++ b/openlayers/examples/raster.html
@@ -4,7 +4,7 @@
         <meta charset="utf-8"/>
         <script src="https://cdn.jsdelivr.net/npm/ol@v9.0.0/dist/ol.js"></script>
         <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@v9.0.0/ol.css">
-        <script src="https://unpkg.com/ol-pmtiles@1.0.2/dist/olpmtiles.js"></script>
+        <script src="https://unpkg.com/ol-pmtiles@2.0.0/dist/olpmtiles.js"></script>
         <style>
             body, #map {
                 height:100vh;
diff --git a/openlayers/examples/vector.html b/openlayers/examples/vector.html
index 8ad203a..afa0957 100644
--- a/openlayers/examples/vector.html
+++ b/openlayers/examples/vector.html
@@ -4,7 +4,7 @@
         <meta charset="utf-8"/>
         <script src="https://cdn.jsdelivr.net/npm/ol@v9.0.0/dist/ol.js"></script>
         <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@v9.0.0/ol.css">
-        <script src="https://unpkg.com/ol-pmtiles@1.0.2/dist/olpmtiles.js"></script>
+        <script src="https://unpkg.com/ol-pmtiles@2.0.0/dist/olpmtiles.js"></script>
         <style>
             body, #map {
                 height:100vh;
diff --git a/openlayers/package-lock.json b/openlayers/package-lock.json
index 00ca8b4..1833979 100644
--- a/openlayers/package-lock.json
+++ b/openlayers/package-lock.json
@@ -1,15 +1,15 @@
 {
   "name": "ol-pmtiles",
-  "version": "1.0.2",
+  "version": "2.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "ol-pmtiles",
-      "version": "1.0.2",
+      "version": "2.0.0",
       "license": "BSD-3-Clause",
       "dependencies": {
-        "pmtiles": "^3.1.0"
+        "pmtiles": "^4.2.1"
       },
       "devDependencies": {
         "tsup": "^8.2.3",
@@ -768,19 +768,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/@types/geojson": {
-      "version": "7946.0.14",
-      "resolved": "https://registry.npmjs.org/@types/geojson/-/geojson-7946.0.14.tgz",
-      "integrity": "sha512-WCfD5Ht3ZesJUsONdhvm84dmzWOiOzOAqOncN0++w0lBw1o8OuDNJF2McvvCef/yBqb/HYRahp1BYtODFQ8bRg=="
-    },
-    "node_modules/@types/leaflet": {
-      "version": "1.9.8",
-      "resolved": "https://registry.npmjs.org/@types/leaflet/-/leaflet-1.9.8.tgz",
-      "integrity": "sha512-EXdsL4EhoUtGm2GC2ZYtXn+Fzc6pluVgagvo2VC1RHWToLGlTRwVYoDpqS/7QXa01rmDyBjJk3Catpf60VMkwg==",
-      "dependencies": {
-        "@types/geojson": "*"
-      }
-    },
     "node_modules/ansi-regex": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.0.1.tgz",
@@ -1168,9 +1155,10 @@
       }
     },
     "node_modules/fflate": {
-      "version": "0.8.0",
-      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.8.0.tgz",
-      "integrity": "sha512-FAdS4qMuFjsJj6XHbBaZeXOgaypXp8iw/Tpyuq/w3XA41jjLHT8NPA+n7czH/DDhdncq0nAyDZmPeWXh2qmdIg=="
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.8.2.tgz",
+      "integrity": "sha512-cPJU47OaAoCbg0pBvzsgpTPhmhqI5eJjh/JIu8tPj5q+T7iLvW/JAYUqmE7KOB4R1ZyEhzBaIQpQpardBF5z8A==",
+      "license": "MIT"
     },
     "node_modules/fill-range": {
       "version": "7.1.1",
@@ -1762,13 +1750,12 @@
       }
     },
     "node_modules/pmtiles": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/pmtiles/-/pmtiles-3.1.0.tgz",
-      "integrity": "sha512-6JvgAQ8gElP1Ilg6ILM4KqleeKS+QcwpW8PXqhPWjRFmqF42yyUJ8sP3dZHQXm+G0HYXuw1kGlMTdVEs583pCQ==",
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/pmtiles/-/pmtiles-4.2.1.tgz",
+      "integrity": "sha512-Z73aph49f7KpU7JPb+zDWr+62wPv9jF3p+tvvL26/XeECnzUHnQ0nGopXGPYnq+OQXqyaXZPrsNdKxSD+2HlLA==",
       "license": "BSD-3-Clause",
       "dependencies": {
-        "@types/leaflet": "^1.9.8",
-        "fflate": "^0.8.0"
+        "fflate": "^0.8.2"
       }
     },
     "node_modules/postcss-load-config": {
diff --git a/openlayers/package.json b/openlayers/package.json
index cbc9934..7dec87b 100644
--- a/openlayers/package.json
+++ b/openlayers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ol-pmtiles",
-  "version": "1.0.2",
+  "version": "2.0.0",
   "description": "PMTiles sources for OpenLayers",
   "type": "module",
   "main": "dist/cjs/index.cjs",
@@ -42,7 +42,7 @@
     "prettier-check": "prettier --check *.js"
   },
   "dependencies": {
-    "pmtiles": "^3.1.0"
+    "pmtiles": "^4.2.1"
   },
   "devDependencies": {
     "tsup": "^8.2.3",
diff --git a/serverless/aws/package-lock.json b/serverless/aws/package-lock.json
index d2eae3b..e5ea290 100644
--- a/serverless/aws/package-lock.json
+++ b/serverless/aws/package-lock.json
@@ -9,7 +9,8 @@
       "version": "0.0.0",
       "dependencies": {
         "@aws-sdk/client-s3": "^3.637.0",
-        "@smithy/node-http-handler": "^3.1.4"
+        "@smithy/node-http-handler": "^3.1.4",
+        "pmtiles": "^4.2.1"
       },
       "devDependencies": {
         "@biomejs/biome": "^1.5.3",
@@ -2571,6 +2572,12 @@
         "fxparser": "src/cli/cli.js"
       }
     },
+    "node_modules/fflate": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.8.2.tgz",
+      "integrity": "sha512-cPJU47OaAoCbg0pBvzsgpTPhmhqI5eJjh/JIu8tPj5q+T7iLvW/JAYUqmE7KOB4R1ZyEhzBaIQpQpardBF5z8A==",
+      "license": "MIT"
+    },
     "node_modules/fsevents": {
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
@@ -2610,6 +2617,15 @@
         "js-yaml": "bin/js-yaml.js"
       }
     },
+    "node_modules/pmtiles": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/pmtiles/-/pmtiles-4.2.1.tgz",
+      "integrity": "sha512-Z73aph49f7KpU7JPb+zDWr+62wPv9jF3p+tvvL26/XeECnzUHnQ0nGopXGPYnq+OQXqyaXZPrsNdKxSD+2HlLA==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "fflate": "^0.8.2"
+      }
+    },
     "node_modules/resolve-pkg-maps": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/resolve-pkg-maps/-/resolve-pkg-maps-1.0.0.tgz",
@@ -4925,6 +4941,11 @@
         "strnum": "^1.0.5"
       }
     },
+    "fflate": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.8.2.tgz",
+      "integrity": "sha512-cPJU47OaAoCbg0pBvzsgpTPhmhqI5eJjh/JIu8tPj5q+T7iLvW/JAYUqmE7KOB4R1ZyEhzBaIQpQpardBF5z8A=="
+    },
     "fsevents": {
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
@@ -4950,6 +4971,14 @@
         "argparse": "^2.0.1"
       }
     },
+    "pmtiles": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/pmtiles/-/pmtiles-4.2.1.tgz",
+      "integrity": "sha512-Z73aph49f7KpU7JPb+zDWr+62wPv9jF3p+tvvL26/XeECnzUHnQ0nGopXGPYnq+OQXqyaXZPrsNdKxSD+2HlLA==",
+      "requires": {
+        "fflate": "^0.8.2"
+      }
+    },
     "resolve-pkg-maps": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/resolve-pkg-maps/-/resolve-pkg-maps-1.0.0.tgz",
diff --git a/serverless/aws/package.json b/serverless/aws/package.json
index 50cdf54..b0cb653 100644
--- a/serverless/aws/package.json
+++ b/serverless/aws/package.json
@@ -21,6 +21,7 @@
   },
   "dependencies": {
     "@aws-sdk/client-s3": "^3.637.0",
-    "@smithy/node-http-handler": "^3.1.4"
+    "@smithy/node-http-handler": "^3.1.4",
+    "pmtiles": "^4.2.1"
   }
 }
diff --git a/serverless/aws/src/index.ts b/serverless/aws/src/index.ts
index b6959a2..365e08f 100644
--- a/serverless/aws/src/index.ts
+++ b/serverless/aws/src/index.ts
@@ -11,7 +11,7 @@ import {
   ResolvedValueCache,
   Source,
   TileType,
-} from "../../../js/src/index";
+} from "pmtiles";
 import { pmtiles_path, tile_path } from "../../shared/index";
 
 import { createHash } from "crypto";
diff --git a/serverless/cloudflare/package-lock.json b/serverless/cloudflare/package-lock.json
index fec961f..164c846 100644
--- a/serverless/cloudflare/package-lock.json
+++ b/serverless/cloudflare/package-lock.json
@@ -7,6 +7,9 @@
     "": {
       "name": "pmtiles-cloudflare",
       "version": "0.0.1",
+      "dependencies": {
+        "pmtiles": "^4.2.1"
+      },
       "devDependencies": {
         "@biomejs/biome": "^1.5.3",
         "@cloudflare/workers-types": "^4.20230518.0",
@@ -1012,6 +1015,12 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/fflate": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.8.2.tgz",
+      "integrity": "sha512-cPJU47OaAoCbg0pBvzsgpTPhmhqI5eJjh/JIu8tPj5q+T7iLvW/JAYUqmE7KOB4R1ZyEhzBaIQpQpardBF5z8A==",
+      "license": "MIT"
+    },
     "node_modules/fill-range": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
@@ -1314,6 +1323,15 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
+    "node_modules/pmtiles": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/pmtiles/-/pmtiles-4.2.1.tgz",
+      "integrity": "sha512-Z73aph49f7KpU7JPb+zDWr+62wPv9jF3p+tvvL26/XeECnzUHnQ0nGopXGPYnq+OQXqyaXZPrsNdKxSD+2HlLA==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "fflate": "^0.8.2"
+      }
+    },
     "node_modules/printable-characters": {
       "version": "1.0.42",
       "resolved": "https://registry.npmjs.org/printable-characters/-/printable-characters-1.0.42.tgz",
@@ -2595,6 +2613,11 @@
       "integrity": "sha512-eNTPlAD67BmP31LDINZ3U7HSF8l57TxOY2PmBJ1shpCvpnxBF93mWCE8YHBnXs8qiUZJc9WDcWIeC3a2HIAMfw==",
       "dev": true
     },
+    "fflate": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.8.2.tgz",
+      "integrity": "sha512-cPJU47OaAoCbg0pBvzsgpTPhmhqI5eJjh/JIu8tPj5q+T7iLvW/JAYUqmE7KOB4R1ZyEhzBaIQpQpardBF5z8A=="
+    },
     "fill-range": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
@@ -2794,6 +2817,14 @@
       "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
       "dev": true
     },
+    "pmtiles": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/pmtiles/-/pmtiles-4.2.1.tgz",
+      "integrity": "sha512-Z73aph49f7KpU7JPb+zDWr+62wPv9jF3p+tvvL26/XeECnzUHnQ0nGopXGPYnq+OQXqyaXZPrsNdKxSD+2HlLA==",
+      "requires": {
+        "fflate": "^0.8.2"
+      }
+    },
     "printable-characters": {
       "version": "1.0.42",
       "resolved": "https://registry.npmjs.org/printable-characters/-/printable-characters-1.0.42.tgz",
diff --git a/serverless/cloudflare/package.json b/serverless/cloudflare/package.json
index bee825d..7af6592 100644
--- a/serverless/cloudflare/package.json
+++ b/serverless/cloudflare/package.json
@@ -17,5 +17,8 @@
     "build": "wrangler deploy --outdir dist --dry-run",
     "biome": "biome check --config-path=../../js/ src/index.ts --apply",
     "biome-check": "biome check --config-path=../../js src/index.ts"
+  },
+  "dependencies": {
+    "pmtiles": "^4.2.1"
   }
 }
diff --git a/serverless/cloudflare/src/index.ts b/serverless/cloudflare/src/index.ts
index 5c82c34..07fb22a 100644
--- a/serverless/cloudflare/src/index.ts
+++ b/serverless/cloudflare/src/index.ts
@@ -6,7 +6,7 @@ import {
   ResolvedValueCache,
   Source,
   TileType,
-} from "../../../js/src/index";
+} from "pmtiles";
 import { pmtiles_path, tile_path } from "../../shared/index";
 
 interface Env {